As of late 2024, the latest confirmed firmware version for the Neato D8 series is typically (variations may exist slightly by region). This firmware update marked a significant shift by enabling "Explore Map" functionality for the D-series, bringing feature parity closer to the higher-end D10 and D9 models.

If you are looking for the latest firmware or trying to keep your D8 running, here is the current state of play. The "Latest" Official Firmware